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DVA-C02 Amazon Web Services AWS Certified Developer - Associate Free Practice Exam Questions (2025 Updated)

Prepare effectively for your Amazon Web Services DVA-C02 AWS Certified Developer - Associate certification with our extensive collection of free, high-quality practice questions. Each question is designed to mirror the actual exam format and objectives, complete with comprehensive answers and detailed explanations. Our materials are regularly updated for 2025, ensuring you have the most current resources to build confidence and succeed on your first attempt.

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A developer is preparing to begin development of a new version of an application. The previous version of the application is deployed in a production environment. The developer needs to deploy fixes and updates to the current version during the development of the new version of the application. The code for the new version of the application is stored in AWS CodeCommit.

Which solution will meet these requirements?

A.

From the main branch, create a feature branch for production bug fixes. Create a second feature branch from the main branch for development of the new version.

B.

Create a Git tag of the code that is currently deployed in production. Create a Git tag for the development of the new version. Push the two tags to theCodeCommit repository.

C.

From the main branch, create a branch of the code that is currently deployed in production. Apply an IAM policy that ensures no other other users can push or merge to the branch.

D.

Create a new CodeCommit repository for development of the new version of the application. Create a Git tag for the development of the new version.

A company hosts a batch processing application on AWS Elastic Beanstalk with instances that run the most recent version of Amazon Linux. The application sorts and processes large datasets. In recent weeks, the application's performance has decreased significantly during a peak period for traffic. A developer suspects that the application issues are related to the memory usage. The developer checks the Elastic Beanstalk console and notices that memory usage is not being tracked.

How should the developer gather more information about the application performance issues?

A.

Configure the Amazon CloudWatch agent to push logs to Amazon CloudWatch Logs by using port 443.

B.

Configure the Elastic Beanstalk .ebextensions directory to track the memory usage of the instances.

C.

Configure the Amazon CloudWatch agent to track the memory usage of the instances.

D.

Configure an Amazon CloudWatch dashboard to track the memory usage of the instances.

A company is providing read access to objects in an Amazon S3 bucket for different customers. The company uses 1AM permissions to restrict access to the S3 bucket. The customers can access only their own files.

Due to a regulation requirement, the company needs to enforce encryption in transit for interactions with Amazon S3.

Which solution will meet these requirements?

A.

Add a bucket policy to the S3 bucket to deny S3 actions when the aws:SecureTransport condition is equal to false.

B.

Add a bucket policy to the S3 bucket to deny S3 actions when the s3:x-amz-acl condition is equal to public-read.

C.

Add an 1AM policy to the 1AM users to enforce the usage of the AWS SDK.

D.

Add an 1AM policy to the 1AM users that allows S3 actions when the s3:x-amz-acl condition is equal to bucket-owner-read.

A developer is using AWS CodeDeploy to launch an application onto Amazon EC2 instances. The application deployment fails during testing. The developer notices an IAM_ROLE_PERMISSIONS error code in Amazon CloudWatch logs.

What should the developer do to resolve the error?

A.

Ensure that the deployment group is using the correct role name for the CodeDeploy service role.

B.

Attach the AWSCodeDeployRoleECS policy to the CodeDeploy service role.

C.

Attach the AWSCodeDeployRole policy to the CodeDeploy service role.

D.

Ensure the CodeDeploy agent is installed and running on all instances in the deployment group.

A healthcare company uses AWS Amplify to host a patient management system. The system uses Amazon API Gateway to expose RESTful APIs. The backend logic of the system is handled by AWS Lambda functions.

One of the Lambda functions receives patient data that includes personally identifiable information (PII). The Lambda function sends the patient data to an Amazon DynamoDB table. The company must encrypt all patient data at rest and in transit before the data is stored in DynamoDB.

A.

Configure the Lambda function to use AWS KMS keys with the AWS Database Encryption SDK to encrypt the patient data before sending the data to DynamoDB.

B.

Use AWS managed AWS KMS keys to encrypt the data in the DynamoDB table.

C.

Configure a DynamoDB stream on the table to invoke a Lambda function. Configure the Lambda function to use an AWS KMS key to encrypt the DynamoDB table and to update the table.

D.

Use an AWS Step Functions workflow to transfer the data to an Amazon SQS queue. Configure a Lambda function to encrypt the data in the queue before sending the data to the DynamoDB table.

A developer is building a highly secure healthcare application using serverless components. This application requires writing temporary data to /Imp storage on an AWS Lambda function.

How should the developer encrypt this data?

A.

Enable Amazon EBS volume encryption with an AWS KMS key in the Lambda function configuration so that all storage attached to the Lambda function is encrypted.

B.

Set up the Lambda function with a role and key policy to access an AWS KMS key. Use the key to generate a data key used to encrypt all data prior to writing to Amp storage.

C.

Use OpenSSL to generate a symmetric encryption key on Lambda startup. Use this key to encrypt the data prior to writing to /tmp.

D.

Use an on-premises hardware security module (HSM) to generate keys, where the Lambda function requests a data key from the HSM and uses that to encrypt data on all requests to the function.

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